docs: def builds(self, request, pk=None):
          """
          List of builds for the current project.
          """
          builds = self.get_object().builds.prefetch_related('test_runs').order_by('-datetime')
          page = self.paginate_queryset(builds)
          serializer = BuildSerializer(page, many=True, context={'request': request})
          return self.get_paginated_response(serializer.data)